#1D4482#1D4482

#1D4482 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.5% C 0.114 H 259.4°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D4482
RGB	rgb(29, 68, 130)
HSL	hsl(217, 64%, 31%)
HSV	hsv(217, 78%, 51%)
CMYK	cmyk(77.7%, 47.7%, 0%, 49%)
CIE-LAB	lab(29.43, 9.72, -38.90)
CIE-LCH	lch(29.43, 40.10, 284.02°)
OKLab	oklab(39.46% -0.0209 -0.1116)
OKLCH	oklch(39.46% 0.114 259.4)
XYZ	xyz(6.6016, 6.0064, 21.9262)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4482 #825B1D

analogous

#1D7682 #1D4482 #281D82

triadic

#1D4482 #821D44 #44821D

tetradic

#1D4482 #821D76 #825B1D #1D8228

square

#1D4482 #821D76 #825B1D #1D8228

split-complementary

#1D4482 #82281D #76821D

monochromatic

#07101E #122A50 #1D4482 #285EB4 #447CD5

Accessibility & contrast

On white

9.54

#1D4482 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1D4482 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4482

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4482	#FFFFFF	#000000	##FFFFFF
##1D4482	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234A84

Deuteranopia (green-blind)

#0B4181

Tritanopia (blue-blind)

#00535C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d4482;
/* rgb */ color: rgb(29, 68, 130);
/* oklch */ color: oklch(39.5% 0.114 259.4);

Tailwind

colors: {
  custom: {
    50: '#6977a7',
    500: '#1d4482',
    950: '#000000',
  },
}

SCSS

$custom: #1d4482;
$custom-light: #6977a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4482",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 130
  },
  "hsl": {
    "h": 216.832,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39464,
    "c": 0.11352,
    "h": 259.4
  },
  "luminance": 0.06007
}

Semantic roles & 50–950 ramp

primary

#1D4482

secondary

#B58A46

accent

#A741E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1D4482

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →